add epg

app/src/main/java/com/lizongying/mytv/CardPresenter.kt

@@ -1,47 +1,22 @@
 package com.lizongying.mytv
 
-import android.content.Context
-import android.graphics.Bitmap
-import android.media.MediaMetadataRetriever
-import android.util.Log
+import android.graphics.Color
 import android.view.ContextThemeWrapper
 import android.view.ViewGroup
+import android.widget.ImageView
 import androidx.leanback.widget.ImageCardView
 import androidx.leanback.widget.Presenter
-import androidx.lifecycle.LifecycleCoroutineScope
 import androidx.lifecycle.LifecycleOwner
 import com.bumptech.glide.Glide
 import com.lizongying.mytv.models.TVViewModel
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.delay
-import kotlinx.coroutines.launch
-import kotlinx.coroutines.withContext
 
 class CardPresenter(
-    private val lifecycleScope: LifecycleCoroutineScope,
-//    private val owner: LifecycleOwner
+    private val owner: LifecycleOwner,
 ) : Presenter() {
 
-    private var tvViewModel: TVViewModel? = null
-    fun bindData(viewModel: TVViewModel, fragment: Context?, viewHolder: ViewHolder) {
-    }
-
-    fun setViewModel(model: TVViewModel) {
-        tvViewModel = model
-    }
-
-    fun unbind() {
-//        viewModel?.backgroundImage?.removeObservers(fragment)
-    }
-
     override fun onCreateViewHolder(parent: ViewGroup): ViewHolder {
         val cardView = object :
-            ImageCardView(ContextThemeWrapper(parent.context, R.style.CustomImageCardTheme)) {
-            override fun setSelected(selected: Boolean) {
-                updateCardBackgroundColor(this)
-                super.setSelected(selected)
-            }
-        }
+            ImageCardView(ContextThemeWrapper(parent.context, R.style.CustomImageCardTheme)) {}
 
         cardView.isFocusable = true
         cardView.isFocusableInTouchMode = true
@@ -56,63 +31,32 @@ class CardPresenter(
         cardView.setMainImageDimensions(CARD_WIDTH, CARD_HEIGHT)
         cardView.tag = tvViewModel.videoUrl.value
 
-//            lifecycleScope.launch(Dispatchers.IO) {
-//                val videoThumbnail = tv.videoUrl?.let { getVideoThumbnail(it) }
-//
-//                withContext(Dispatchers.Main) {
-//                    cardView.mainImageView.setImageBitmap(videoThumbnail)
-//                }
-//            }
+        if (tvViewModel.logo.value != null) {
+            Glide.with(viewHolder.view.context)
+                .load(tvViewModel.logo.value)
+                .centerInside()
+                .into(cardView.mainImageView)
 
-//        tvViewModel?.update(tv)
-//        tvViewModel?.backgroundImage?.observe(owner) { imageUrl ->
-//            if (imageUrl != "") {
-//                Glide.with(viewHolder.view.context)
-//                    .load(imageUrl)
-//                    .centerCrop()
-//                    .into(cardView.mainImageView)
-//            }
-//        }
+            cardView.setBackgroundColor(Color.WHITE)
+            cardView.setMainImageScaleType(ImageView.ScaleType.CENTER_INSIDE)
+        }
+
+        tvViewModel.program.observe(owner) { _ ->
+            val program = tvViewModel.getProgramOne()
+            if (program != null) {
+                cardView.contentText = program.name
+            }
+        }
     }
 
     override fun onUnbindViewHolder(viewHolder: ViewHolder) {
         val cardView = viewHolder.view as ImageCardView
-        cardView.badgeImage = null
         cardView.mainImage = null
     }
 
-    private fun updateCardBackgroundColor(view: ImageCardView) {
-        val currentTag = view.tag
-//        lifecycleScope.launch(Dispatchers.IO) {
-//            delay(1000)
-//            if (view.isSelected && view.tag != null && currentTag == view.tag) {
-//                val videoThumbnail = view.tag.toString().let { getVideoThumbnail(it) }
-//                withContext(Dispatchers.Main) {
-//                    if (view.isSelected && currentTag == view.tag) {
-//                        view.mainImageView.setImageBitmap(videoThumbnail)
-//                    }
-//                }
-//            }
-//        }
-    }
-
-    private fun getVideoThumbnail(url: String): Bitmap? {
-        val mediaMetadataRetriever = MediaMetadataRetriever()
-        try {
-            val map = HashMap<String, String>()
-            mediaMetadataRetriever.setDataSource(url, map)
-            return mediaMetadataRetriever.frameAtTime
-        } catch (e: Exception) {
-            e.printStackTrace()
-        } finally {
-            mediaMetadataRetriever.release()
-        }
-        return null
-    }
-
     companion object {
         private const val TAG = "CardPresenter"
         private const val CARD_WIDTH = 300
-        private const val CARD_HEIGHT = 169
+        private const val CARD_HEIGHT = 101
     }
 }